Hollyland Pyro 7 7" Wireless Monitor with 12V/2A DC Power Adapter and Weatherproof Hard Case Bundle. It utilizes Auto Dual-Band Hopping (ADH) technology. With 1,300 feet (400m) and an incredibly low latency of only 60ms, Pyro 7 supports 2.4GHz and 5GHz dual-band transmission and automatic frequency hopping.
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